Characterization of Ni55.6Mn11.4Fe7.4Ga25.6 high temperature shape memory alloy thin film

Phase transition of Ni–Mn–Ga alloy powders prepared by vibration ball milling

“…Nevertheless, Ni-Mn-Ga alloys are very brittle, which remarkably impedes their practical applications. To overcome the problem, several forms based on the alloy have been proposed and investigated, including thin films [5][6][7][8][9], ribbons [10][11][12] and composites consisting of ductile polymer matrix and Ni-Mn-Ga alloy particles [13][14][15][16][17][18][19][20]. Among these forms, the composites prepared by mixing Ni-Mn-Ga alloy particles and polymer matrix exhibit great advantages with good formability and low cost of production, compared with the thin films and ribbons which are often restricted by their dimension in applications.…”

Metastability of ferromagnetic Ni–Mn–Sn Heusler alloys

“…This discovery led to further study of other Heusler alloys close in composition to the Ni-Mn-Ga system, such as Ni-Mn-Z, where Z = In, Sn, and Sb [3][4][5][6][7][8][9][10]. Several studies have been devoted to understanding and improving the properties of these alloys for potential applications [11][12][13][14][15][16][17][18]. One of these alloys, Ni-Mn-Sn, features magnetic ordering in both the austenite and martensite phases-similar to Ni-Mn-Ga.…”

Martensitic structure and magnetic domain transformation in melt‐spun Ni–Mn–Ga ferromagnetic ribbons

“…However, such high strain was obtained only in single crystals and much smaller strains have been observed in polycrystalline bulk materials. On the other hand, in order to decrease induction of eddy currents and increase the frequency range of the Ni–Mn–Ga ferromagnetic alloys, the materials can be utilized in the form of a thin layer or ribbon 9, 10. Rapid quenching by melt spinning provides a possibility to prepare a ribbon with a specific texture which could be favorable to magnetic shape memory effect 11–13.…”